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Technical Data Catalog

235 kHz-A

235kHz

600W

TVR

Transmit Radiation PatternPower rating: 600 Wrms @ 2% duty cycle

51mm (2.0") PZTActive Area: 20cm2

Layered Plastic Epoxy Window

Beamwidth:-3dB: 7°-6dB: 10°-10dB: 13°

Directivity Index: 28.2Frequency Tolerance: ±5kHz Peak TVR(1), nominal: 166dB Peak TVR(1), minimum: 164dBQ (transmit): 15Peak Source Level(4): 221dBPeak RVR(2), nominal: -185dB Peak Figure of Merit (3): -19dB

Notes:(1) dB re 1 µPa per volt at 1 meter(2) dB re 1 volt per µPa(3) sum of transmitting voltage response

and receiving voltage response(4) Nominal peak TVR, rated power, and no

cavitation

RVR Figure of MeritdB(1) dB(2) dB(3)

Frequency (kHz)Frequency (kHz)Frequency (kHz)

⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅ ⋅⋅

⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅

⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅⋅ ⋅⋅ ⋅⋅ ⋅⋅⋅⋅ ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅

⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ⋅⋅⋅ ⋅⋅

⋅⋅ ⋅⋅⋅⋅ ⋅ ⋅

⋅⋅ ⋅ ⋅ ⋅⋅⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅

⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅⋅ ⋅⋅ ⋅ ⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅

0°

50°

60°

70°

80°

90°

100°

110°

120°

130°140°150°160°170°180°

50°

60°

70°

80°

90°

100°

110°

120°

°071°031 160°150°140°

10°20°

30°

40°

10°20°

30°

40° -10dB

-30

-40

-20

180

140

145

150

155

160

165

170

175

250225 230 235 240 245

-160

-200

-195

-190

-185

-180

-175

-170

-165

250225 230 235 240 245

10

-70

-60

-50

-40

-30

-20

-10

0

250225 230 235 240 245

D-18754-rev2

www.airmar.com

Technical Data Catalog

235 kHz-A

51mm (2.0") PZT

Cable Type: C2 Cable Length: 7.6m (25.0')

Resistance Conductance

Unbalanced Admittance

Impedance DataUnbalanced

Parallel: Rp. 540ohms-20%,+40%

Parallel: Cp. (nominal) 1910pF

Series [R – jX] (nominal) 170 – j250 ohms

1 kHz Capacitance 3140pF±20%

Rea

ctan

ce

Unbalanced Impedance

Susc

epta

nce

-240.0

-420.0

-400.0

-380.0

-360.0

-340.0

-320.0

-300.0

-280.0

-260.0

250.00.0 50.0 100.0 150.0 200.0

252.15

247.35244.35

241.50

237.60

234.60230.70

224.70

3.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

2.00.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

268.20

247.35 242.85240.00

237.00

232.50

229.35226.05

221.55

www.airmar.com

Technical Data Catalog

235 kHz-A

235kHz

600W

TVR

Transmit Radiation PatternPower rating: 600 Wrms @ 2% duty cycle

51mm (2.0") PZTActive Area: 20cm2

Layered Plastic Urethane Window

Beamwidth:-3dB: 6°-6dB: 9°-10dB: 12°

Directivity Index: 28.2Frequency Tolerance: ±5kHz Peak TVR(1), nominal: 171dB Peak TVR(1), minimum: 168dBQ (transmit): 22Peak Source Level(4): 221dBPeak RVR(2), nominal: -184dB Peak Figure of Merit (3): -15dB

Notes:(1) dB re 1 µPa per volt at 1 meter(2) dB re 1 volt per µPa(3) sum of transmitting voltage response

and receiving voltage response(4) Nominal peak TVR, rated power, and no

cavitation

RVR Figure of MeritdB(1) dB(2) dB(3)

Frequency (kHz)Frequency (kHz)Frequency (kHz)

⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅ ⋅⋅

⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅

⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅⋅ ⋅⋅ ⋅⋅ ⋅⋅⋅⋅ ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅

⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ⋅⋅⋅ ⋅⋅

⋅⋅ ⋅⋅⋅⋅ ⋅ ⋅

⋅⋅ ⋅ ⋅ ⋅⋅⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅

⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅ ⋅⋅ ⋅ ⋅ ⋅⋅ ⋅⋅ ⋅ ⋅⋅ ⋅⋅⋅ ⋅⋅⋅ ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅

0°

50°

60°

70°

80°

90°

100°

110°

120°

130°140°150°160°170°180°

50°

60°

70°

80°

90°

100°

110°

120°

°071°031 160°150°140°

10°20°

30°

40°

10°20°

30°

40° -10dB

-30

-40

-20

180

140

145

150

155

160

165

170

175

255230 235 240 245 250

-160

-200

-195

-190

-185

-180

-175

-170

-165

255230 235 240 245 250

10

-70

-60

-50

-40

-30

-20

-10

0

255230 235 240 245 250

D-18755-rev2

www.airmar.com

Technical Data Catalog

235 kHz-A51mm (2.0") PZT

Cable Type: C2Cable Length: 7.6m (25.0')

Resistance Conductance

Rea

ctan

ce

Resistance

Impedance DataBalanced Unbalanced

Parallel: Rp. 220ohms-20%,+40% 220ohms-20%,+40%

Parallel: Cp. (nominal) 1400pF 3150pF

Series [R – jX] (nominal) 180 – j80 ohms 110 – j110 ohms

1 kHz Capacitance 1780pF±20% 3100pF±20%

Rea

ctan

ce

Susc

epta

nce

Conductance

Susc

epta

nce

0.0

-700.0

-600.0

-500.0

-400.0

-300.0

-200.0

-100.0

800.00.0 200.0 400.0 600.0

268.75 263.80

260.80254.80

249.25

246.55244.75

243.40

242.35

241.45

240.40239.20

237.70235.75

232.15

225.10

-100.0

-325.0

-300.0

-275.0

-250.0

-225.0

-200.0

-175.0

-150.0

-125.0

250.00.0 50.0 100.0 150.0 200.0

248.95244.45

242.20

240.70

239.50

238.30

237.25236.05

234.40231.85

226.45

5.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.00.0 1.0 2.0 3.0 4.0

249.25242.65

239.50 237.85236.65

235.75

234.85

233.95

233.05231.85230.35

227.80

223.00

6.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

5.00.0 1.0 2.0 3.0 4.0

245.20

240.40238.45

237.10

236.05

234.85

233.65

232.45230.95

228.85

224.65

Unbalanced Admittance

Balanced Impedance

Unbalanced Impedance

Balanced Admittance